Summary of the invention
The purpose of the present invention is to provide a kind of terminative connectors for high-speed differential signal connector, solve due to letterThe limitation of number transmission module structure, leads to the problem of crosstalk is easy to happen between signal pair.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of terminative connector for high-speed differential signal connector, including female end pedestal and multiple it is mounted on female end base side by sideFemale end signal transmission module on seat, above-mentioned female end signal transmission module include signal transmission module and be fixed on signal transmission mouldMetal shielding board on block, above-mentioned signal transmission module include module housing, signal transmission reed and plastic packaging module, above-mentioned moduleMultiple spill cavitys are offered on shell, above-mentioned signal transmission reed is mounted in concave shaped cavity body, and above-mentioned plastic packaging module is covered inIt is closed on above-mentioned spill cavity and by spill cavity, signal transmission reed is made to form closed signal path；Above-mentioned metallic shieldThe lower end of plate is provided with the protruding teeth for fixing, being connected with female end pedestal, on above-mentioned female end pedestal with above-mentioned protruding teeth phaseConvex closure structure is provided at corresponding position.
Preferably, be provided in a side of above-mentioned metal shielding board for " L " type latch fixed with female end pedestal,It is installed on above-mentioned female end pedestal and is arranged at intervals with multiple barricade card slots on the side wall of above-mentioned female end signal transmission module, it is above-mentioned" L " type latch is corresponding with barricade card slot.
Preferably, being arranged at intervals with more than two bridge structures on above-mentioned metal shielding board, and above-mentioned bridge knotStructure is raised towards the outside of metal shielding board.
Preferably, more than two above-mentioned bridge structures are uniformly arranged according to cornerwise mode.
Preferably, more than two bulge-structures are arranged at intervals in a side of above-mentioned metal shielding board, and onIt states and is provided with salient point above bulge-structure, above-mentioned bulge-structure is raised towards the outside of metal shielding board.
Preferably, above-mentioned bulge-structure is located at when above-mentioned metal shielding board is mounted on above-mentioned signal transmission moduleBetween the adjacent Difference signal pair of signal transmission module.
Preferably, two above-mentioned signal transmission reed composition differential pairs are mounted in the same concave shaped cavity body, and everyTwo signals transmission reed in a differential pair is symmetrical set.
Preferably, above-mentioned spill cavity is distributed according to the differential signal wiring path of signal transmission reed, above-mentioned spillThe cavity edge of cavity and the difference track edge of differential signal transmission reed have interval.
Preferably, above-mentioned difference wiring path is to extend to the adjacent of the module housing from a side of module housingSide edge, and the contact terminal of above-mentioned signal transmission reed stretches to the outside of module housing.
Preferably, offering on side of the above-mentioned module housing far from above-mentioned signal transmission switch jaw contact terminal for pacifyingThe shielding part mounting groove of shielding part is filled, is provided with bending protrusion, above-mentioned bending on above-mentioned metal shielding board at corresponding positionProtrusion is adapted with above-mentioned shielding part mounting groove, and the protrusion side of the overbending direction of above-mentioned bending protrusion and above-mentioned bridge structureTo opposite.
Compared with prior art, beneficial effects of the present invention are at least one of following:
It is multiple by being arranged in the module housing in the female end signal transmission module of high-speed differential signal connector in the present inventionThe cavity is distributed according to difference wiring path and signal transmission reed is fixed in concave shaped cavity body, thus shape by spill cavityAt closed signal path, finally makes the plating of spill cavity be distributed in three faces of differential signal transmission surrounding, can reduceInterfering with each other between Difference signal pair.
Protruding teeth is arranged in the lower end of metal shielding board in the present invention, while the convex closure matched being arranged on female end pedestalStructure, convenient for the fixation of female end signal transmission module and metal shielding board, while metal shielding board can be carried out with female end pedestalConnection, to form relatively short return flow path, therefore is conducive to shorten the return flow path of differential signal.
" L " type latch is arranged in the present invention on metal shielding board, while the barricade matched being arranged on female end pedestalCard slot, convenient for the fixation of female end signal transmission module and metal shielding board, while metal shielding board can be carried out with female end pedestalConnection, to form relatively short return flow path, therefore is conducive to shorten the return flow path of differential signal.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, rightThe present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, andIt is not used in the restriction present invention.
Referring to Fig. 1~7, for one embodiment of the present of invention, a kind of female end company for high-speed differential signal connectorDevice is connect, including female end pedestal 400 and multiple female end signal transmission modules being mounted on female end pedestal 400 side by side, in order to meetThe use of high-speed differential signal connector, female end signal transmission module need to be mounted on as carrier on female end pedestal, so that femaleTerminal adapter and Male end connector can be used cooperatively.
As shown in Figure 1, the female end module for being separately provided for placing female end signal transmission module on female end pedestal is solidDetermine slot 402, while being additionally provided with the inserting groove 401 stretched out for differential pair along array distribution in the inside of female end pedestal 400,Male end in the inserting groove 401, in the contact terminal and Male end connector of the signal transmission reed of female end signal transmission moduleThe contact pin of signal transmission module cooperates.
Above-mentioned female end signal transmission module includes signal transmission module 100 and the gold that is fixed on signal transmission module 100Belong to barricade 200, metal shielding board 200 is mounted on signal transmission module, can shield to differential signal, pass through simultaneouslyThe setting of metal shielding board, further shortens return flow path.
Above-mentioned signal transmission module 100 includes module housing 101, signal transmission reed 102 and plastic packaging module 103, above-mentionedMultiple spill cavitys 104 are offered in module housing 101, above-mentioned signal transmission reed 102 is mounted in spill cavity 104, onIt states plastic packaging module 103 to be covered on above-mentioned spill cavity 104 and close spill cavity 104, makes the signal transmission formation of reed 102Closed signal path.Due to being provided with spill cavity in module housing 101 in the signal transmission module, and by signalThe Difference signal pair that transmission reed 102 forms is fixed in concave shaped cavity body, after module housing is electroplated, so that concave shaped cavityThree faces for being distributed in differential signal transmission surrounding are electroplated in body, can reduce interfering with each other between Difference signal pair.
Fig. 6 shows the structural schematic diagram of module housing 101, and according to the display of module housing 101, spill cavity 104 is setIt sets on the surface of module housing 101, and spill cavity 104 is presented curved channel-shaped, and the spill cavity 104 is from moduleA side of shell 101 is extended towards adjacent a side.
Fig. 7 shows that signal transmission reed 102 is mounted on the structural schematic diagram in module housing 101, when signal transmits springWhen piece 102 is mounted in spill cavity 104, signal transmits reed 102 to be installed along the direction of spill cavity 104.When installation, modelingIt is two pieces that envelope module 103, which is divided to, and signal transmits 102 every two of reed and forms a differential pair, installs a signal transmission reed 102Afterwards just cover one piece of plastic packaging module 103 so that between the same differential pair two signals transmission reed 102 formed away fromFrom convenient for forming cooperation with the contact pin of male end.
The lower end of above-mentioned metal shielding board 200 is provided with the protruding teeth 204 for fixing, being connected with female end pedestal 400,Convex closure structure is provided at position corresponding with above-mentioned protruding teeth 204 on above-mentioned female end pedestal 400.Metal shielding board 200 is solidIt is scheduled on the signal transmission module of each female end signal transmission module, i.e., each signal transmission module necessarily corresponds to a metalBarricade 200, in order to keep entire female end signal transmission module more stable when being fixed on female end pedestal 400, referring to figure4, therefore convex closure structure is set at position corresponding with the lower end of metal shielding board on female end pedestal, while in metal screenProtruding teeth is arranged in the lower end of shield plate 200, convenient for the fixation of female end signal transmission module and metal shielding board, while metallic shieldPlate can be connected to female end pedestal, to form relatively short return flow path, therefore be conducive to shorten returning for differential signalFlow path.Here convex closure structure is the protrusion with salient point being arranged on the side of grafting metal shielding board on female end pedestalStructure.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned metal shielding boardIt is provided with " L " the type latch 205 for fixing with female end pedestal 400 in 200 a side, is installed on above-mentioned female end pedestal 400Multiple barricade card slots 405, above-mentioned " L " type latch 205 and screen are arranged at intervals on the side wall of above-mentioned female end signal transmission moduleShield plate card slot 405 is corresponding.In the present embodiment, metal shielding board 200 is fixed on the signal of each female end signal transmission moduleIn transmission module, i.e., each signal transmission module necessarily corresponds to a metal shielding board 200, in order to pass entire female end signalDefeated module can be more stable when being fixed on male end pedestal 300, therefore female end signal transmission module is installed on female end pedestalSide wall on be arranged barricade card slot 405, while in the side edge of metal shielding board 200 be arranged " L " type latch, be convenient for female endThe fixation of signal transmission module and metal shielding board, while metal shielding board can be connected to female end pedestal, to be formedRelatively short return flow path, therefore be conducive to shorten the return flow path of differential signal.
Since in high-speed differential signal connector, Male end connector and terminative connector can cooperate, therefore male endMale end pedestal in connector and the female end pedestal in terminative connector will do it mating, therefore above-mentioned female end pedestal 400Inserted terminal on according to array distribution have multiple inserting grooves 401, and separated between adjacent inserting groove 401 by partition, onThe other end for stating female end pedestal 400 is arranged at intervals with multiple module fixing grooves 402 for being used to place female end signal transmission module.?Module fixing groove 402 for placing female end signal transmission module can be set on female end pedestal 400, due to transmitting in female end signalIn module, two signal transmission reeds can constitute a signal pair and cooperate with male end contact pin, in order to make signal pair and male endIt is mutually independent of each other between each signal pair after contact pin cooperation, reduces signal interference, be arranged on the inserted terminal of female end pedestal 400 multipleInserting groove 401, each inserting groove 401 form independent space by partition.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned metal shielding boardIt is arranged at intervals with more than two bridge structures 201 on 200, and above-mentioned bridge structure 201 is towards the outer of metal shielding board 200Side protrusion.Bridge structure 201 on the metal shielding board 200 is the arch-type structure for protruding from metal shielding board 200, at thisThe purpose that more than two bridge structures 201 are arranged on metal shielding board 200 is when metal shielding board 200 and signal transmission moduleAfter being fixed, multiple signal transmission modules will do it laid out in parallel, and metal shielding board 200 and adjacent signal can be made to transmitMultiple spot connection is realized between the shielding shell of module, to shorten return flow path.
Further, on the basis of the above embodiments, more than two above-mentioned for another embodiment of the inventionBridge structure 201 is uniformly arranged according to cornerwise mode, i.e., the central point of more than two bridge structures 201 is distributed sameIt on diagonal line, i.e., uniformly arranges on metal shielding board 200 according to cornerwise direction, arrangement mode in this way can makeMetal shielding board 200 is obtained to be distributed on different x wires or on vertical line from multiple connectivity points of signal transmission module, fromAnd further realize and realize that the multiple spot of different location is connected between metal shielding board 200 and the shielding shell of signal transmission module,Shorten return flow path.
In addition, same direction of more than two above-mentioned bridge structures 201 towards metal shielding board 200, bridge structure courtTo same direction, the angle of stress is consistent when enabling to stress, convenient for the stability of structure, and in above-mentioned metal shielding boardCorresponding to bar shaped groove 202 is provided at the position of bridge structure 201 on 200, the both ends of above-mentioned bridge structure 201 are movable respectivelyThe both ends of bar shaped groove 202 are connected to, which is groove body closed at both ends, hollow, is arranged convenient pair of bar shaped grooveBridge structure is attached, also for barricade can be made to be connected to the more stably multiple spot of signal transmission module；Another partyFace, the bridge structure 201 are movably connected in the both ends of above-mentioned bar shaped groove 202, i.e. certain angle can be presented in bridge structure 201Rotation, realize that hinged mode can be used in such structure.By the simulation analysis of mechanics, bridge structure is at an angleThere is smaller stress and equivalent stress when rotation is fixedly connected compared to bridge structure, i.e., can be held by way of flexible connectionBy stronger interaction force, so that total is more stable.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned metal shielding boardMore than two bulge-structures 206 are arranged at intervals in 200 a side, and the top of above-mentioned bulge-structure 206 is provided withSalient point 207, above-mentioned bulge-structure 206 are raised towards the outside of metal shielding board 200.The bulge-structure 206 is in barricade masterThe protrusion for amplifying formation upwards on the side in a side of body 200, salient point be used for and adjacent signal transmission module intoRow contact.In the present embodiment, after metal shielding board and male end contact pin or female end signal transmission module are fixed, Duo GexinNumber transmission module will do it laid out in parallel, and bulge-structure 206 can make the screen of metal shielding board Yu adjacent signal transmission moduleIt covers and realizes multiple spot connection between shell, to shorten return flow path.
Further, for another embodiment of the invention, on the basis of the above embodiments, when above-mentioned metallic shieldWhen plate 200 is mounted on above-mentioned signal transmission module, above-mentioned bulge-structure 206 is located at the adjacent differential signal of signal transmission moduleTo between.As shown in figure 8, the bulge-structure 207 is wanted when the bulge-structure on metal shielding board is mounted on signal transmission moduleGround hole 208 is formed between signal differential is to 301, therefore bulge-structure should be located at the adjacent differential signal of signal transmission moduleTo between, to reduce the crosstalk between signal.
Further, for another embodiment of the invention, on the basis of the above embodiments, two above-mentioned signals are passedDefeated reed 102 forms differential pair and is mounted in the same spill cavity 104, and two signals in each differential pair transmit springPiece 102 is symmetrical set.In the present embodiment, in order to be cooperated with the contact pin in Male end connector, therefore the same concave shaped cavityNeed to fix two signal transmission reeds 102 in body 104, and two signal transmission reeds 102 form differential pair and are used for and public affairsThe contact pin at end is cooperated, and the contact terminal that signal transmission reed 102 is matched with male end contact pin is bent in opposite waveformSetting, and signal transmission is carried out with male end contact pin.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned spill cavity104 are distributed according to the differential signal wiring path of signal transmission reed 102, the cavity edge and difference of above-mentioned spill cavity 104The difference track edge that signal transmits reed 102 has interval.Cavity is distributed according to differential path in the present embodiment, on the one hand to the greatest extentReturn flow path can be can be shortened, reduce crosstalk between differential signal, on the other hand, spill cavity and differential signal guarantee certain distance,It is to preferably carry out impedance matching.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned difference walks routeDiameter is the adjacent side edge that the module housing 101 is extended to from a side of module housing 101, and above-mentioned signal transmits springThe contact terminal 1021 of piece 102 stretches to the outside of module housing 101.In the present embodiment, the path of difference cabling is limited, due to letterNumber transmission reed 102 will carry out signal transmitting, then the both ends of signal transmission reed 102 all may carry out signal biography with other structuresIt is defeated, therefore according to the transmission principle of signal connector, signal transmits reed 102 and arc-shaped bend setting, therefore difference cabling is presentedPath is the adjacent side edge that the module housing 101 is extended to from a side of module housing 101, to make signal transmit reed102 contact terminal 1021 is cooperated with male end contact pin, and the contact terminal 1021 of signal transmission reed 102 stretches to module housing101 outside.
Further, for another embodiment of the invention, on the basis of the above embodiments, above-mentioned module housingThe shielding part mounting groove for installing shielding part is offered on 101 sides far from above-mentioned signal transmission 102 contact terminal of reed105, be provided with bending protrusion 203 on above-mentioned metal shielding board 200 at corresponding position, above-mentioned bending protrusion 203 with it is above-mentionedShielding part mounting groove 105 is adapted, and the protrusion side of the overbending direction of above-mentioned bending protrusion 203 and above-mentioned bridge structure 201To opposite.When metal screen 200 is mounted in module housing 101, the bending protrusion 203 of metal screen 200 is just insertedEnter in the shielding part mounting groove 105 in module housing 101, can enable metal screen 200 it is more firm be fixed on mouldOn block shell 101, metal can be regarded as after being electroplated due to module housing 101, the setting of the structure can also ensure that moduleMultiple spot is connected between shell 101 and metal screen 200.
The end that shielding part mounting groove 105 is arranged in above-mentioned module housing 101 is provided with installation protrusion 106, and being convenient for shouldFemale end carries out transmission module and is mounted on female end pedestal and is clamped by tail card.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specificationExample " etc., referring to combining specific features, structure or the feature of embodiment description includes describing extremely in the application generalityIn few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into oneFor step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementationsExample realizes that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood thatThose skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this ShenIt please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, canWith the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layoutOutside the modification and improvement of progress, to those skilled in the art, other purposes also be will be apparent.